Figure 4From: Involvement of lysophosphatidic acid in bone cancer pain by potentiation of TRPV1 via PKCϵ pathway in dorsal root ganglion neurons Potentiation of TRPV1 current by LPA in DRG neurons of bone cancer rats. A and B: Typical whole-cell patch recordings of DRG neurons in bone cancer and sham rats, respectively. No current was evoked by a low concentration of capsaicin (0.5 nM) in DRG neurons (the upper trace of A and B). A: In a bone cancer rat, capsaicin (0.5 nM) evoked a visible inward current (the lower trace) 3 min after LPA (0.01 μM) perfusion. B: In a sham-operated rat, no effect of LPA on application of capsaicin was observed.Back to article page